[Bug fortran/115781] Error with passing array of derived type

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115781

--- Comment #8 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
... or rather, the calculation needs to be done with the
contents of x->_data and not with x directly.